EP 2266112 A4 20150218 - HEARING PROTECTOR
Title (en)
HEARING PROTECTOR
Title (de)
GEHÖRSCHUTZ
Title (fr)
PROTECTION AUDITIVE
Publication
Application
Priority
- SE 2009000153 W 20090323
- SE 0800675 A 20080326
Abstract (en)
[origin: WO2009120130A1] A hearing protector comprises two protective muffs (1) with passive noise damping, a microphone (3) disposed in at least the one protective muff (1) and connected to an analog and a digital signal processing device (5 and 7, respectively), the signal processing devices (5, 7) being connected to loudspeakers (4) disposed interiorly in the protective muffs (1) for extinguishing interior noise in the protective muffs (1). The analog signal processing device is rehearsed for processing non-repeatable noise, while the digital signal processing device is rehearsed for processing repeatable noise. According to the invention, a further microphone (8) is disposed outside the passive noise damping and is connected to the digital signal processing device for tracing and locking onto repeatable noise.
IPC 8 full level
G10K 11/178 (2006.01); H04R 1/10 (2006.01); A61F 11/06 (2006.01)
CPC (source: EP SE US)
A61F 11/145 (2022.01 - EP); G10K 11/1781 (2017.12 - SE); G10K 11/17823 (2017.12 - EP US); G10K 11/1783 (2017.12 - EP US); G10K 11/17837 (2017.12 - EP US); G10K 11/17857 (2017.12 - EP SE US); G10K 11/17861 (2017.12 - EP US); G10K 11/17881 (2017.12 - EP US); H04R 1/1008 (2013.01 - SE); H04R 1/1083 (2013.01 - EP US); A61F 11/145 (2022.01 - US); G10K 2210/1081 (2013.01 - EP US)
Citation (search report)
- [Y] US 2007076897 A1 20070405 - PHILIPP HARALD [GB]
- [Y] US 4654871 A 19870331 - CHAPLIN GEORGE B B [GB], et al
- [Y] US 5675658 A 19971007 - BRITTAIN THOMAS PAIGE [US]
- [A] US 5251263 A 19931005 - ANDREA DOUGLAS [US], et al
- [A] GB 2441835 A 20080319 - SONAPTIC LTD [GB], et al
- [XYI] RAFAELY BOAZ ET AL: "Combined feedback-feedforward active noise-reducing headset-The effect of the acoustics on broadband performance", THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, AMERICAN INSTITUTE OF PHYSICS FOR THE ACOUSTICAL SOCIETY OF AMERICA, NEW YORK, NY, US, vol. 112, no. 3, 1 September 2002 (2002-09-01), pages 981 - 989, XP012003056, ISSN: 0001-4966, DOI: 10.1121/1.1501090
- [I] BOAZ RAFAELY: "Active noise reducing headset - an overview", THE 2001 INTERNATIONAL CONGRESS AND EXHIBITION ON NOISE CONTROL ENGINEERING, 30 August 2001 (2001-08-30), XP055157857
- See references of WO 2009120130A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2009120130 A1 20091001; CN 101978419 A 20110216; CN 101978419 B 20131106; EP 2266112 A1 20101229; EP 2266112 A4 20150218; EP 2266112 B1 20160817; EP 2266112 B8 20161012; SE 0800675 L 20090927; SE 532379 C2 20091229; TW 200940037 A 20091001; US 2011019834 A1 20110127; US 8995676 B2 20150331
DOCDB simple family (application)
SE 2009000153 W 20090323; CN 200980110188 A 20090323; EP 09725543 A 20090323; SE 0800675 A 20080326; TW 98109822 A 20090326; US 93360709 A 20090323